Disulfoton-sulfoxide, 100 µg/ml, Toluene, 1ml

n-Octane-d18, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 17252-77-6

D7-Atenolol, 100 µg/ml, Acetonitrile, 1ml

D4-Diethyl phthalate, 10mg